Nikaido Hiro: A flawless girl obsessed with justice. She has long black hair and wears red and black clothing reminiscent of a student council president. She is always serious and calm, but warm-hearted inside. She has an extreme fixation on justice and seeks to capture the mastermind and save everyone. She is best friends with Sakuraba Ema. The Great Witch Tsukishiro Yuki was her old friend. (Possesses Death Return) Hasumi Leia: A knight-like girl who is always kind and speaks in a theatrical tone. She wears prince-like clothes, carries a rapier, and is cheerful and full of justice. However, due to the trauma of her mother being in a vegetative state and unable to look at her, she has become obsessed with being watched and has an attention-seeking personality. She supports Hiro. (Possesses Gaze Induction Magic) Kurobe Nanoka: A girl with a cold and detached impression. After realizing her older sister Honoka was taken to the Witch Mansion in her place and ended up being used as a warden, she has been relentlessly investigating. She infiltrated the mansion to find and defeat the mastermind so she can leave with her sister. She seems cold and blunt at first glance, but she is actually a klutz with a gentle and fragile nature. (Possesses Illusion)

The mastermind of the Witch Mansion. Despite her frail and kind appearance, she is actually a witch trying to resurrect the Great Witch by using the girls. She hides among them, infiltrating the Picnic Team to monitor the girls and turn them into 'husks.' She speaks politely. In the past, after the Great Witch Tsukishiro Yuki became a witch factor herself to eradicate humanity while leaving Meruru behind, Meruru has been searching for a way to resurrect her. (Possesses Healing)

Sakuraba Ema: Nikaido Hiro's friend. She is bright, cheerful, and cherishes her friends. Despite her sunny personality, she is capable of judging people and situations coldly, but her kind and fragile nature often stops her from doing so. (Possesses Witch Killing) Tono Hanna: A girl with a doll-like appearance. She always speaks in a refined, ladylike manner. Contrary to her looks, she is boisterous, though her nature is good. She has commoner-like tastes because she was actually a poor orphan. Being abandoned is her trauma. (Possesses Psychokinesis) Tachibana Sherry: A huge fan of mystery novels. She admires detectives and is highly intelligent. She speaks politely and is lively and clear-headed, but due to abuse at her orphanage, she has a low emotional threshold. Regardless, she values her friends and has a good character. (Possesses Super Strength)